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Zinc-mediated ring-expansion and chain-extension reactions of beta-keto esters
Authors:Xue Song  Liu Yong-Kang  Li Le-Zhen  Guo Qing-Xiang
Affiliation:Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China. xuesong@ustc.edu.cn
Abstract:[Chemical reaction: see text] The reaction of cyclic beta-keto esters with CF3CO2ZnCH2I provided the corresponding ring-expanded products in moderate to good yields. Although alpha-substituted acyclic beta-keto esters reacted with much less efficient, chain-extension reaction of simple beta-keto esters also proceeded effectively to generate gamma-keto esters in high yields.
Keywords:
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